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Goodwill and Other Intangible Assets - Schedule of Goodwill and Other Intangible Assets Footnotes (Details) - USD ($) $ in Millions | 3 Months Ended | 5 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2018 | Sep. 30, 2018
Other Intangible Assets |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Foreign currency translation | $ (0.4) |  | $ (0.4)
Goodwill |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Foreign currency translation | $ (1.2) |  | $ (1.2)
NSM Holding Co LLC | Other Intangible Assets |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Foreign currency translation |  | $ 0.4 |
NSM Holding Co LLC | Goodwill |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Foreign currency translation |  | $ 1.2 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Details
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